Urgent: DPRK military confirms naval clash with South Korea.

1Urgent : DPRK military confirms naval clash with South Korea . 2PYONGYANG , Nov. 10 -LRB- Xinhua -RRB- -- The Democratic People 's Republic of Korea -LRB- DPRK -RRB- Tuesday demanded South Korea apologize for a naval clash with the North off the west coast of the Korean Peninsular earlier in the day , state media said .